Finding the Fourth Proportional to 116,143,915.92, 160,281,907.99 and 63,224,036.43
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Solution
The fourth proportional to 116,143,915.92, 160,281,907.99 and 63,224,036.43 is: 87,250,968.84
Step by Step Solution
- Step 1: Write the proportion equation
116,143,915.92 : 160,281,907.99 = 63,224,036.43 : x - Step 2: Convert to fraction form
116,143,915.92/160,281,907.99 = 63,224,036.43/x - Step 3: Cross multiply
116,143,915.92x = 160,281,907.99 × 63,224,036.43 - Step 4: Simplify right side
116,143,915.92x = 10,133,669,189,070,552 - Step 5: Solve for x
x = 10,133,669,189,070,552/116,143,915.92 - Step 6: Final answer
x = 87,250,968.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.